Fuel cost — E85 vs petrol
−47%
Petrol · 100 km
10.2 L · €20.96
E85 · 100 km
13.0 L · €11.02
You save ≈ €9.94 every 100 km
— about €1 490 a year (over 15 000 km)
E85 uses ≈ +27% more litres, but the pump price
(€0.85/L vs €2.06/L) more than makes up for it.